floatunssisfvfp.S revision 276851 
1//===-- floatunssisfvfp.S - Implement floatunssisfvfp ---------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#include "../assembly.h"
11
12//
13// extern float __floatunssisfvfp(unsigned int a);
14//
15// Converts single precision float to a 32-bit int rounding towards zero.
16// Uses Darwin calling convention where a single precision result is
17// return in a GPR..
18//
19	.syntax unified
20	.p2align 2
21DEFINE_COMPILERRT_FUNCTION(__floatunssisfvfp)
22	vmov	s15, r0	       // move int to float register s15
23	vcvt.f32.u32 s15, s15  // convert 32-bit int in s15 to float in s15
24	vmov	r0, s15        // move s15 to result register
25	bx	lr
26END_COMPILERRT_FUNCTION(__floatunssisfvfp)
27